We are looking for an experienced Cloud Security Architect to join a well established organisation supporting large-scale digital transformation programmes.

This is a senior position where you will act as the Domain Design Authority, owning security architecture across enterprise environments. You will play a critical role in ensuring the integrity, consistency, and evolution of security capabilities across services, while acting as a trusted advisor to both technical and business stakeholders.

• Act as Domain Design Authority for security architecture within your service line
• Define, govern, and assure enterprise security architecture across complex environments
• Provide strategic advisory across managed services, new deals, and transition programmes
• Ensure alignment with security standards, policies, and best practices
• Lead stakeholder engagement, building strong relationships across business and technology teams
• Provide technical leadership and guidance to engineering teams
• Translate complex security concepts into clear recommendations for senior stakeholders

• Strong experience in enterprise security architecture within large-scale environments
• Expertise across:
  • SOC / SIEM / SIAM
  • Network Security Architecture
  • Cloud Security (Azure, AWS, Hybrid environments)
• Strong understanding of modern security operations and tooling
• Familiarity with frameworks such as TOGAF, SABSA, and Secure by Design principles
• Proven ability to influence and engage stakeholders at all levels
• Experience working in multi-vendor and transformation environments

• Must be a sole UK national
• Must be eligible for SC clearance

This is a hybrid role, requiring 2-3 days per week onsite in the Cardiff area, with the remainder remote.

• Salary up to £90,000
• Performance bonus
• Opportunity to work on high-profile transformation programmes
• A collaborative environment with strong focus on innovation and professional growth

RSG Plc is acting as an Employment Agency in relation to this vacancy.